Windows 10: Windows 10 location / timezone / sunset-sunrise weird behavior. Night light useless.

So I'm having the same problem that Windows 10 users have been asking about for years (according to Google) but never getting a correct answer. Wondering if this sub has any better clues.

Symptoms:

• Night light says sunset/sunrise are at 11:00PM and 11:47AM. I'm in California so this is not right.
• My timezone is set to Pacific.
  • If I set it to automatic, then it sets me to "Brisbane, Australia"
• My default location is set in control panel to my home address
• Bing maps has my correct location (if I use "current location")
• Google maps has my correct location
• https://wtfismyip.com/ has my correct location (to the city, anyway)
• All web sites that geolocate me have my correct location
• I'm on a wired connection. Wifi is disabled. Desktop computer that has never moved since first power on.
• No VPN

Windows has never managed to get this seemingly simple thing right. Any ideas?

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:)

 

Windows 10 Night Light on after sunrise

Well, I ended up going to the Night Light settings and selecting "Set hours", instead of "Sunset to sunrise", that immediately turned off the Night Light filtering. Then I just re-selected my original "Sunset to sunrise" schedule setting and the filtering remained off, as it should be, and the setting is indicating "Off until sunset" now. I haven't checked to see if this is included in @dalchina suggestions, thank you for those.

I'm not sure what caused the weirdness, we'll see if it comes back. Recently I did play with the Night Light "Strength" setting, so maybe I inadvertently did something then.

 

Windows 10 Night Light on after sunrise

I just noticed this morning that Night Light is still on after sunrise. The settings indicate "on until sunrise (7:25 AM)" and it's 10:22 AM. I use the "sunset to sunrise" schedule. Rebooting doesn't fix it. Any ideas?

 

Windows 10 Night Light Schedule Has Wrong Sunrise-Sunset Times

I have the Night Light schedule set to Sunset to sunrise, which is currently followed by (23:00 — 12:11). The problem is that the Night Light feature isn't turning on and off at appropriate times.

The computed times are wrong for my location, as sunset today is at 20:09 (UTC-7h), and sunrise tomorrow is at 04:10. The end of astronomical twilight, at 23:25, is close to the first figure, but it starts at 00:55, which is very different from the second
figure. That figure isn't even close to civil twilight, which starts here at 03:29 tomorrow.

I will add that I keep my computer clock on UTC. It is almost as if the first figure uses local time, and the second figure uses UTC, which would be at least close to what I'd expect the times to be.

Windows 10 Pro version 1703 build 15063.332